Research Article
Volume 19 Issue 3 - 2020
Comparison of Surface Detail Reproduction of Alginate Impression Material and Type III Dental Stone
Abdur Rehman1*, Wasif Iqbal2, Nadeem Hafeez Khokhar3, Rafey Ahmad Jameel4, Faiza Amin5 and Syed Muzzamil Ali Shah6
1Associate Professor, Science of Dental Material Department, Hamdard University Dental Hospital, Hamdard University, Karachi, Pakistan
2Vice Principal and Associate Professor, Science of Dental Material Department, Sindh Institute of Oral Health Sciences, Jinnah Sindh Medical University, Karachi, Pakistan
3Professor, HOD Science of Dental Material Department, Hamdard University Dental Hospital, Hamdard University, Karachi, Pakistan
4Assistant Professor, Department of Oral Biology and Tooth Morphology, Foundation University College of Dentistry, Foundation University, Islamabad, Pakistan
5Vice Principal and Associate Professor, Science of Dental Material Department, Dow Dental College, Dow University of Health Sciences, Karachi, Pakistan
6Associate Professor, HOD Department of Community Health and Preventive Dentistry, Hamdard University Dental Hospital, Hamdard University Karachi, Pakistan
*Corresponding Author: Abdur Rehman, Associate Professor, Science of Dental Material Department, Hamdard University Dental Hospital, Hamdard University, Karachi, Pakistan.
Received: February 10, 2020; Published: February 17, 2020




Abstract

The compatibility of current alginate impression materials and dental stone is not completely understood. The purpose of the present study was to determine compatibility of commercially available alginate impression materials dental stones. A stainless steel die certified according to ISO specification No.1563 was used to make specimens for evaluation of surface detail. The mixed alginate impression was poured into a ring mold, and the test block was pressed down onto the material, and then removed after the material is set. The dental stones were mixed according to manufacturer’s instructions. The mixed dental stone was added to the impression in small increments. The casts were allowed to set for 1 hour at ambient room temperature of 20°C +- 2°C and 50% +- 10% relative humidity. The casts were examined under low angle light at X 10 magnification with a stereo zoom microscope (Motic MLC-150C Microscope Cold Light Source) for the entirety of the 0.05-mm-wide line. Among the fifteen combination we found that Neocolloid and Elite model found the best at significance level (p = 0.05). Hydrogum 5 and Elite rock shows the 2nd best combination and Hydrogum 5 and Elite model shows the third best combination. The results of this study should be used as a guide in determining compatible impression materials and dental stone.

Keywords: Dental Alginate; Dental Stone; Compatibility

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Citation: Abdur Rehman., et al. “Comparison of Surface Detail Reproduction of Alginate Impression Material and Type III Dental Stone”. EC Dental Science 19.3 (2020): 01-06.

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